it's an effort to get everyone to stop using their cell phones. we'd love to share your story on the air if you've been affected. you can go to wusa9.com. >>> the district launched its new bike share program. participants received a key which provides them access to more than 1100 rental bikes. organizers say this is the largest regional bike network in the nation. membership starts at $5. >>> officials overseaing the second leg of the project say it will cost hundreds of millions dollars more than first predicted. the airport authority says the price tag could drop by 600 million if the station is moved away from the terminal. the latest bill stands at 3.83 billion. >>> taking a look at this morning's living well headlines. today is world alzheimer's day. researchers studying the disease says a protein may reveal how aggressive the disease will be. patients with mild alzheimer's and high levels of the protein are par predicted they will deteriorate quickly than others. >>> so far this season five nfl players have been side lined with concussions.